40798173 has 16 divisors (see below), whose sum is σ = 58899456. Its totient is φ = 24970560.

The previous prime is 40798169. The next prime is 40798183. The reversal of 40798173 is 37189704.

It is not a de Polignac number, because 40798173 - 2² = 40798169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40798133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4711 + ... + 10187.

It is an arithmetic number, because the mean of its divisors is an integer number (3681216).

Almost surely, 2^40798173 is an apocalyptic number.

It is an amenable number.

40798173 is a deficient number, since it is larger than the sum of its proper divisors (18101283).

40798173 is a wasteful number, since it uses less digits than its factorization.

40798173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 40798173 is about 6387.3447534950. The cubic root of 40798173 is about 344.2549854799.

The spelling of 40798173 in words is "forty million, seven hundred ninety-eight thousand, one hundred seventy-three".